Structure analysis

p53N (fragment 33-60) bound to RPA70N

X-ray diffraction
1.6Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero hexamer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero hexamer
Accessible surface area: 20657.3 Å2
Buried surface area: 6370.62 Å2
Dissociation area: 3,185.31 Å2
Dissociation energy (ΔGdiss): -6.96 kcal/mol
Dissociation entropy (TΔSdiss): 50.64 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138137

Macromolecules

Chain: A
Length: 123 amino acids
Theoretical weight: 13.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P27694 (Residues: 1-120; Coverage: 20%)
Gene names: REPA1, RPA1, RPA70
Pfam: Replication factor-A protein 1, N-terminal domain
InterPro:
CATH: Nucleic acid-binding proteins
SCOP: Single strand DNA-binding domain, SSB

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Chain: B
Length: 28 amino acids
Theoretical weight: 3.13 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P04637 (Residues: 33-60; Coverage: 7%)
Gene names: P53, TP53
Pfam: Transactivation domain 2
InterPro: Cellular tumor antigen p53, transactivation domain 2

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